Hello @abec99, and welcome to Ten Forums.
The registry keys for Windows Defender are protected by default.
You would need to change the owner of the registry keys to "Administrators", and set their permissions to allow "Administrators" "full control". Afterwards, you would be able to merge the .reg files.
However, doing that will leave the registry keys unprotected. This also will not help with the keys open by the system.
Tutorial updated to add options 3 to 6 for how to add or remove Windows Defender Antivirus exclusions in PowerShell.
Have any of you seen this response when trying to add an exclusion?
If so, please could you advise the OP in
Defender sees powershell file as virus - TenForums
Denis
Hello Shawn,
i can't remove a path (C:\) . Already wrote my Problem here an what i have already tried:
https://answers.microsoft.com/de-de/...8-f1875dfb6d57
Hope you can help me :)
Hello Max, and welcome to Ten Forums.
Are you getting any error messages in PowerShell when trying to remove the exclusion for this path?
As test, see if you may be able to add the same exclusion, and try removing it afterwards.
It wouldn't hurt to do a full scan of your system using MalwareBytes just to make sure it's not infected.
Thank you for the fast answear
PS C:\WINDOWS\system32> Remove-MpPreference -ExclusionPath "C:" -Force
PS C:\WINDOWS\system32> Add-MpPreference -ExclusionPath "C:" -Force
PS C:\WINDOWS\system32> Remove-MpPreference -ExclusionPath "C:" -Force
PS C:\WINDOWS\system32> Remove-MpPreference -ExclusionPath "C:" -Force
PS C:\WINDOWS\system32> Remove-MpPreference -ExclusionPath "C" -Force
PS C:\WINDOWS\system32> Add-MpPreference -ExclusionPath "F:" -Force
PS C:\WINDOWS\system32>
No error messages. Also adding it, and removing it doesn't work. I also added F:\, which i could easily remove in the "windows defender exclusion window" by pressing remove. Also when i click on the remove Button of "C:" the first time it asks for Admin rights, but then nothing happens. When i click again on remove, nothing happens.
Downloaded the Software and clicked on Scan. Nothing was found.It wouldn't hurt to do a full scan of your system using MalwareBytes just to make sure it's not infected.
@MaxMicrosoftWin,
This is an odd issue.
As a test, see if you may be able to remove the exclusion while in Safe Mode in case something running while in normal mode may be locking it.
Well, short of reinstalling Windows 10, you could try doing a repair install of Windows 10 to see if it may clear or at least allow you to remove it afterwards.
Repair Install Windows 10 with an In-place Upgrade
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